1 /* A replacement function, for systems that lack strndup. 2 3 Copyright (C) 1996-1998, 2001-2003, 2005-2007, 2009-2021 Free Software 4 Foundation, Inc. 5 6 This file is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Lesser General Public License as 8 published by the Free Software Foundation; either version 2.1 of the 9 License, or (at your option) any later version. 10 11 This file is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public License 17 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 18 19 #include <config.h> 20 21 #include <string.h> 22 23 #include <stdlib.h> 24 25 char * 26 strndup (char const *s, size_t n) /* */ 27 { 28 size_t len = strnlen (s, n); 29 char *new = malloc (len + 1); 30 31 if (new == NULL) 32 return NULL; 33 34 new[len] = '\0'; 35 return memcpy (new, s, len); 36 }